智能运动信息采集分析系统研究  

Research of intelligent motion information collection and analysis system

作　　者：李兵倩 吴端坡 李婧涵 陈凯霖 李睿涵 LI Bingqian;WU Duanpo;LI Jinghan;CHEN Kailin;LI Ruihan(School of Communication Engineering,Hangzhou Dianzi University,Hangzhou 310018,China)

机构地区：[1]杭州电子科技大学通信工程学院,浙江杭州310018

出　　处：《电子设计工程》2024年第11期124-130,共7页Electronic Design Engineering

基　　金：国家级大学生创新创业训练计划项目(202110336059);杭州电子科技大学省属高校基本科研业务费项目(GK209907299001-310)。

摘　　要：文中设计并实现了一套基于多通道表面肌电(Surface Electromygraph,sEMG)的信号采集、传输和智能分析的运动信息分析系统。该系统主要分为硬件、软件和算法分析三部分:硬件部分包含AD623和TLC2274/2搭建的放大滤波电路,实现信号的预处理和数模(Analog-to-Digital,A/D)转换,并通过蓝牙模块将数据传输到上位机;软件部分包含一个可用于采集数据与评价结果实时显示的上位机软件;算法分析部分提出一种基于主成分分析(Principal Components Analysis,PCA)和遗传算法(Genetic Algorithm,GA)改进的支持向量机(Support Vector Machine,SVM)分类方法,实现多通道sEMG信号的特征值提取、模型训练及分类功能。通过应用该系统对哑铃动作、俯卧撑动作及间歇期动作的多通道sEMG信号进行采集分析,系统的识别准确率达到96.7%,可应用于健身动作的识别与分析实验中。This paper designs and implements a motion information analysis system based on multi⁃channel Surface Electromyography(sEMG)for signal acquisition,transmission and intelligent analysis.The system is divided into three parts:hardware,software and algorithm analysis.The hardware part contains the amplification and filter circuit built by AD623 and TLC2274/2 for signal pre⁃processing and Analog⁃to⁃Digital(A/D)Converter,as well as data transmission to the host computer via Bluetooth module.The software part includes a software for real⁃time display of data acquisition and evaluation results.The algorithm analysis part proposes a Support Vector Machine(SVM)classification method based on Principal Components Analysis(PCA)and Genetic Algorithm(GA)for feature value extraction,model training and classification of multi⁃channel sEMG signals.By applying this system to collect and analyze the multi⁃channel sEMG signals of dumbbell movement,push⁃up movement and interval movement.The recognition accuracy of this system reaches 96.7%,which can be applied to the experiment of fitness movement recognition and analysis.

关 键 词：表面肌电 运动信息 特征分析 PCA GA SVM 

分 类 号：TN919.5[电子电信—通信与信息系统]